NRR (Net Revenue Retention)
The percentage of recurring revenue retained from existing customers, including expansion and churn.
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Definition
Net Revenue Retention (NRR) measures the revenue retained from existing customers over a period, accounting for expansion (upsells), contraction (downgrades), and churn (cancellations). NRR above 100% means you are growing from existing customers alone.
NRR is widely considered the single best indicator of product-market fit and business health. The median SaaS NRR is 108%, while top-quartile companies achieve 120%+. Companies like Snowflake and Datadog have achieved NRR above 150%.
NRR differs from gross retention, which excludes expansion revenue. A company with 90% gross retention and 120% NRR has high churn offset by strong expansion — a very different profile than a company with 98% gross retention and 105% NRR.
Why It Matters for Founders
NRR is the metric VCs care most about because it reveals whether your product becomes more valuable over time. NRR above 120% means every cohort of customers grows without any new acquisition, creating a compounding growth engine.
For founders, improving NRR through expansion revenue is often easier and cheaper than acquiring new customers. Tactics include: usage-based pricing that grows with customer value, upsell paths to higher tiers, cross-sell of additional products, and seat expansion as teams grow.
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Formula
NRR = (Beginning MRR + Expansion - Contraction - Churn) / Beginning MRR × 100%Real-World Example
A company starts the year with $1M MRR from existing customers. By year-end: $150K in expansion, $30K contraction, $50K churn. NRR = ($1M + $150K - $30K - $50K) / $1M = 107%.
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Frequently Asked Questions
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